删除消息修改为软删除，删除好友同步删除消息

app/enterprise/controller/Friend.php

@@ -4,7 +4,7 @@ namespace app\enterprise\controller;
 
 use app\BaseController;
 
-use app\enterprise\model\{Friend as FriendModel,User};
+use app\enterprise\model\{Friend as FriendModel, Message, User};
 
 class Friend extends BaseController
 {
@@ -153,6 +153,12 @@ class Friend extends BaseController
         // 需要删除双方的好友关系
         FriendModel::where($map)->delete();
         FriendModel::where(['friend_user_id'=>$this->uid,'create_user'=>$param['id']])->delete();
+        // 删除自己和好友消息
+        $chat_identify=chat_identify($this->uid,$param['id']);
+        $messageIds = Message::where(['chat_identify' => $chat_identify])->column('id');
+        if ($messageIds) {
+            Message::where([['id', 'in', $messageIds]])->delete();
+        }
         // 性质和删除群聊一样
         wsSendMsg($param['id'],'removeGroup',['group_id'=>$this->uid]);
         return success(lang('system.delOk'));

app/enterprise/model/Message.php

@@ -8,8 +8,13 @@ namespace app\enterprise\model;
 use app\BaseModel;
 use think\facade\Db;
 use think\facade\Cache;
+use think\model\concern\SoftDelete;
+
 class Message extends BaseModel
 {
+    use SoftDelete;
+    protected $deleteTime = 'delete_time';
+    protected $defaultSoftDelete = 0;
     protected $pk="msg_id";
     protected $json      = ["extends"];
     protected $jsonAssoc = true;